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WILLOW PINES MFD HOME COMMUNITY

PWS ID: WI4710459 · COLGATE, Wisconsin 53017

WILLOW PINES MFD HOME COMMUNITY serves 70 people in COLGATE, Wisconsin using Groundwater water sources. It has 41 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WILLOW PINES MFD HOME COMMUNITY

WILLOW PINES MFD HOME COMMUNITY is a private-owned community water system that delivers drinking water to 70 residents in COLGATE, Wisconsin (Winnebago County) through 43 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 41 total violations for this system , of which 5 (12%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 monitoring and reporting violations are on file. The most recent violation on record dates to 2011.

The most frequently cited contaminant at this system is Nitrate, recorded in 10 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. WILLOW PINES MFD HOME COMMUNITY's 41 violations sit above the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
70
Total Violations
41
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
43
County
Winnebago
School/Daycare
No
MCL Violations
5
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 10 2001
Arsenic MCL 5 2007
Coliform (TCR) MR 4 2011
Barium MR 2 1994
Chromium MR 2 1994
Fluoride MR 2 1994
Mercury MR 2 1994
Nitrite MR 2 1994
Nitrate-Nitrite MR 2 1994
Selenium MR 2 1994
Public Notice Other 2 2007
Cadmium MR 2 1994
Arsenic MR 2 1994
Consumer Confidence Rule Other 1 1999

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for WILLOW PINES MFD HOME COMMUNITY.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI4710459 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR — Drinking Water and Groundwater is the primacy agency that licenses and inspects WILLOW PINES MFD HOME COMMUNITY under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR — Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2011 Coliform (TCR) MR 4 SDWIS / WI4710459 / 3100
2007 Arsenic MCL 5 SDWIS / WI4710459 / 1005
2007 Public Notice Other 2 SDWIS / WI4710459 / 7500
2001 Nitrate MR 10 SDWIS / WI4710459 / 1040
1999 Consumer Confidence Rule Other 1 SDWIS / WI4710459 / 7000
1994 Barium MR 2 SDWIS / WI4710459 / 1010
1994 Chromium MR 2 SDWIS / WI4710459 / 1020
1994 Fluoride MR 2 SDWIS / WI4710459 / 1025
1994 Mercury MR 2 SDWIS / WI4710459 / 1035
1994 Nitrite MR 2 SDWIS / WI4710459 / 1041
1994 Nitrate-Nitrite MR 2 SDWIS / WI4710459 / 1038
1994 Selenium MR 2 SDWIS / WI4710459 / 1045
1994 Cadmium MR 2 SDWIS / WI4710459 / 1015
1994 Arsenic MR 2 SDWIS / WI4710459 / 1005

How WILLOW PINES MFD HOME COMMUNITY Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric WILLOW PINES MFD HOME COMMUNITY Wisconsin avg Federal benchmark
Total violations 41 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 70 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WILLOW PINES MFD HOME COMMUNITY water safe to drink? ▼
WILLOW PINES MFD HOME COMMUNITY (PWS ID: WI4710459) has 41 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 70 people using Groundwater sources.
How many people does WILLOW PINES MFD HOME COMMUNITY serve? ▼
WILLOW PINES MFD HOME COMMUNITY serves 70 people in COLGATE, Wisconsin. It is a Private-owned system using Groundwater water sources with 43 service connections.
What type of violations does WILLOW PINES MFD HOME COMMUNITY have? ▼
WILLOW PINES MFD HOME COMMUNITY has 41 total violations: 5 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WILLOW PINES MFD HOME COMMUNITY water? ▼
No PFAS testing data is available for WILLOW PINES MFD HOME COMMUNITY under the EPA's UCMR5 monitoring program.
What water source does WILLOW PINES MFD HOME COMMUNITY use? ▼
WILLOW PINES MFD HOME COMMUNITY uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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